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Nickel-free stud earrings in 316L surgical stainless steel — Anti-Tarnish Waterproof Jewellery | House of Zena

Is Your Jewellery Actually Nickel-Free? How to Tell

“Hypoallergenic” has no regulated definition and does not guarantee nickel-free. Nickel is often used in the base alloy or as an undercoat beneath gold plating, where it is invisible. The only reliable check is asking the brand to state nickel-free explicitly for the base metal.

Why plating hides the problem

Nickel is commonly used as an intermediate layer between a base metal and its gold finish, because it improves adhesion and brightness. While the plating is intact, that nickel never touches skin. Once it wears through at a contact point, it does — which is why reactions often begin months after purchase rather than immediately.

Signals worth trusting

Claim on a listing How much to trust it
"Nickel-free 316L stainless steel" Strong — names material and property
"Implant-grade titanium" Strong — nickel-free by definition
"Hypoallergenic" Weak — unregulated term
"Skin-friendly" or "safe metal" Marketing language, not specification
No base metal stated Assume nickel may be present

Questions that get a real answer

  • "What is the base metal, specifically?" — you want a grade, not an adjective.
  • "Is there a nickel undercoat beneath the plating?" — the question most brands are never asked.
  • "Is this nickel-free, or hypoallergenic?" — if the two are used interchangeably, treat the answer as unverified.

House of Zena states it plainly: nickel-free and lead-free 316L surgical-grade stainless steel across the full range, including studs and huggies. More on reactions in earrings for sensitive ears.

Frequently asked questions

Does gold plated jewellery contain nickel?

It can — in the base alloy or as an undercoat beneath the gold. Unless nickel-free is stated, assume it may be present.

Is hypoallergenic the same as nickel-free?

No. Hypoallergenic is an unregulated marketing term. Nickel-free is a specific material claim.

Can I test jewellery for nickel at home?

Nickel spot-test kits exist and are used by dermatologists. They are a reasonable check if you have a diagnosed allergy.

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